DPR Racing Heads and Engine Components

Head Refresh
Complete Teardown
Cylinder Head Deburred
Complete Visual Inspection
Check All Surfaces for Straightness
Inspect Valve Train for Wear
Springs Checked
Degreased & Cleaned
Blueprinted Competition Multi-Angle Valve Job
$495.00 USD (Labor Only)

Pocket Port
Head Refresh Plus...
Cylinder Head Deburred
Deshrouded & Polished Combustion Chambers
Radiused Blend Seats
Hand-Lapped & Vacuum-Tested Valve Seats
Blueprinted Valve Springs (Shims Extra if needed)
New Valve Seals
Complete Assembly
CC Combustion Cambers
Bowl Port & Polish (behind valve seat)
1 Inch Gasket Match Port & Polish (Intake & Exhaust)
$790.00 USD (Labor Only)

Stage IV
Pocket Port Plus...
Competition Port & Polish
Deshrouded & Polished Combustion Chambers
Back-Cut Valves
Radiused Blend Seats
Competition Three-Angle Valve Job
Hand-lapped & Vacuum-Tested Valve Seats
$1350.00 USD (Labor Only)

Stage V
Stage IV plus...
Cylinder Head Deburred & Blueprinted
Combustion Chambers C.C.'d
Detailed Matched Intake Manifold Fully Ported to Head
Matched Throttle Body
Match Port Exhaust Manifolds
Port Faces Lapped Flat (Studs removed and reinstalled)
Decks Milled & Lapped (At any amount with no additional charge)
Radiused Cut Seats
$1595.00 USD (Labor Only)

Stage VI
Stage V plus...
Combustion Chambers Welded & Reshaped (clover-leaf pent-roof design)
Intake Valves Lightened
Rocker Arms Lightened
Fully Balanced & Blueprinted
Includes Valve Spring Shims as Needed
$1950.00 USD (Labor Only)

Stage VII
Special Turbo/Supercharged Application
Call for Detials!

Stage VIII Pro - Complete Racing Package
Developed with Professional Rally and Racing Teams, this is the Package for Professional Motosports. No expense is spared in obtaining the Performance, relaibility and quality demanded by Professional Racing.
Call for Details!